Tungsten Electrode Sharpener Tungsten Rods Grinder Grinding Head Features: Tungsten Electrode Sharpener: excellent for sharpening the tungsten electrode rods, fits most rotary tools with a 3/4-12 thread. Suitable for: it will grind 2 sizes tungsten, 2 angles tips for each size. 4 types holes 1/16" (1.6mm) 15, 1/16" (1.6mm) 20, 3/32" (2.4mm) 15, 3/32" (2.4mm) 20. 15 is 30 when grinded on tips, 20 is 40. Each type have 3 holes will grind different circle on diamond wheels, will reduce diamond wheels consumption by 2 times. Diamond Grinding Wheel: wheels in good hardness and wear resistance that are used for grinding TIG welding tungsten electrodes or cutting a wide variety of materials, comes with 10pcs for replacement. Zipper Storage Pouch: for keeping the sharpener and diamond wheels, easy to carry around. Specifications: Material: Aluminum Item Size: 60 43mm / 2.36 x 1.69in Item Weight: 79g / 2.80oz Package Weight: 130g / 4.59oz Package Size: 11.5 x 6 x 5cm / 4.52 x 2.36 x 1.97in Packing List: 1 x Sharpener 10 x Grinding Wheel 2 x Rod 1 x Storage Pouch